Boring Tools Identification Catalogue Classification System For Boring Holders S 16 R – S T U P R 11 03 - 18 h Shank Shank Insert Seat Clearance Insert Cutting Min. Bore Material Length Shape Angle Edge Length Diameter Chart 1 Chart 2 Chart 4 Chart 6 (mm) (mm) h Shank Clamping Holder Feed Insert Diameter System Style Direction Thickness (mm) Chart 3 Chart 5 Chart 7 (mm) h This code may only be included in some of the catalogue nos. Chart 1 Chart 2 Chart 3 Shank Material Shank Length Clamping System S Steel Symbol Length (mm) Symbol Length (mm) Symbol System Structure Symbol System Structure Steel with Anti-vibration Mechanism F 80 P 170 B without Oil Hole G 90 Q 180 Top & Hole C Carbide C Top Clamp M Boring Bars H 100 R 200 Clamp Type D Steel with Anti-vibration Mechanism with Oil Hole J 110 S 250 E Carbide with Oil Hole K 125 T 300 Lever Lock L 140 U 350 Type (Insert is Chart 7 M 150 V 400 D Double Clamp P Supported by N 160 W 450 1 face) Feed Direction Symbol Feed Direction Pin Lock Type R Right Hand Feed (Insert is Screw E supported by S Clamp Type L Left Hand Feed 1 face) N Neutral Feed Chart 4 Chart 5 Chart 6 Insert Shape Holder Style Seat Clearance Angle Symbol Insert Shape Symbol Insert Shape Symbol Shape Offset Symbol Shape Offset Symbol Relief Angle Parallellogram Rhombic A 85° 85° M 86° 86¡ A Nil N Nil A 3° 90¡ 63¡ Parallelogram B 82° 82¡ O Octagonal With B 5° B 75¡ Nil Q Offset Diamond C 80° 80¡ P Pentagonal With C 7° D Nil R Offset Diamond 45¡ 75¡ D 55° 55¡ R Round D 15° With Diamond E Nil S Offset E 75° 75¡ S Square 60¡ 45¡ E 20° With With F Diamond 50¡ T Triangular F 90¡ Offset T 60¡ Offset F 25° 50° Diamond With With H Hexagonal V 35° 35¡ G U 93¡ G 30° 90¡ Offset Offset Parallelogram K W With With N 0° 55¡ Trigon 80¡ 55° J 93¡ Offset W 60¡ Offset L Rectangular With With P 11° K 75¡ Offset Y 85¡ Offset Special 95¡ O Angle With With L 95¡ Offset Z Offset E5